Patents for H04L 27 - Modulated-carrier systems (89,721)
10/2008
10/29/2008CN101297475A Method and arrangement for optimizing efficiency of a power amplifier
10/29/2008CN101296414A Method and device for implementing broadcast multicast service in OFDM system
10/29/2008CN101296401A Method, system and device for implementing multimedia broadcast multicast service
10/29/2008CN101296216A Automatic adaptive equalizer for QAM demodulator
10/29/2008CN101296215A Multi-carrier modulation device for wireless sensing network
10/29/2008CN101296214A Time orthogonal frequency division multiplexing modem
10/29/2008CN101296213A Scheduling method and apparatus for wireless resource of OFDMA system
10/29/2008CN101296212A Time frequency resource allocation method, device and base station for resource demand indication information
10/29/2008CN101296211A 3780 point discrete Fourier transform processor
10/29/2008CN101296210A Transmission system for community boundary user performance in reinforced OFDMA system
10/29/2008CN101296209A Estimation and processing method for frequency offset in OFDMA system
10/29/2008CN101296208A Two-bit-per-symbol small linear frequency-modulation key modulation communication method
10/29/2008CN101296207A Transmission method for controlling signaling, network side equipment and terminal
10/29/2008CN101296156A Balance data flow wireless resource allocation authentication machine
10/29/2008CN101296090A Method and apparatus for electric power management
10/29/2008CN101296058A Space-frequency diversity method of MIMO-OFDM system sampling clock synchronization
10/29/2008CN101296057A Waveshape signal processor based on software radio
10/29/2008CN101296047A Microwave signal multiplexing circuit
10/29/2008CN101296033A Method and device for control channel resource mapping
10/29/2008CN101296032A Method and device for control channel unit self-adapting
10/29/2008CN101296031A Transmission equipment and method for downlink reference signal of TDD system
10/29/2008CN101296026A Leading symbol transmission method of WiMax&WiBro multicast relay system
10/29/2008CN101296025A Transmission method and system for leader sequence between base station and relay station in WiMAX system
10/29/2008CN101296016A Transmission method for multicast data in WiMax&WiBro relay system
10/29/2008CN101296012A Method for pilot frequency insertion and diversity emission of space-frequency encoding cascade cycle detention diversity
10/29/2008CN100429877C Radio transmission system,radio relay system and communication device
10/29/2008CN100429875C Signal strength compensation for mobile radio channels that considerably vary with time
10/28/2008US7443935 Apparatus and method for dynamically adjusting receiver bandwidth
10/28/2008US7443934 Method and apparatus for detecting signals, and transmitting apparatus and receiving apparatus using the same
10/28/2008US7443933 Data detector system
10/28/2008US7443931 Apparatus and method for channel estimation using a signal correlation and a signal energy to approximate a channel parameter
10/28/2008US7443929 Method and circuit for adaptive control of the bandwidth of a carrier recovery loop in radio transmission systems
10/28/2008US7443928 Signal detection using sphere decoding technique
10/28/2008US7443927 Signal detector
10/28/2008US7443926 Apparatus for inputting clock signal and data signals of small amplitude level with start timing of inputting clock signal ahead of that of inputting data signals
10/28/2008US7443925 Pilot and data signals for MIMO systems using channel statistics
10/28/2008US7443924 Residual carrier and side band processing system and method
10/28/2008US7443922 Circuitry for padded communication protocols
10/28/2008US7443921 Mobile body communication apparatus
10/28/2008US7443917 Method and system for transmission of information data over a communication line
10/28/2008US7443916 Method and apparatus for communication in the presence of impulse noise
10/28/2008US7443906 Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system
10/28/2008US7443904 Scrambling system and method for peak power reduction in MC-CDMA, and recording medium for storing corresponding program
10/28/2008US7443827 Mobile communication system, multicarrier CDMA transmitter, and multicarrier CDMA receiver
10/28/2008US7443826 Method and apparatus for automatic frequency control in a CDMA receiver
10/28/2008US7443823 Access points with selective communication rate and scheduling control and related methods for wireless local area networks (WLANs)
10/28/2008US7443784 Methods and systems for tone hopping
10/28/2008US7443783 I/Q mismatch compensation in an OFDM receiver in presence of frequency offset
10/28/2008US7443782 Adaptive inter-carrier interference self-cancellation method and transceiver thereof
10/28/2008US7442272 Apparatus for manufacturing semiconductor device
10/28/2008CA2427403C Space-time-frequency coded ofdm over frequency-selective fading channels
10/23/2008WO2008127054A1 Method and apparatus for mapping/demapping modulation symbols in a mobile communication system
10/23/2008WO2008126852A1 Orthogonal cross polarization interference compensating device, demodulator, receiving station, and method of compensating cross polarization interference
10/23/2008WO2008126055A2 Down-sampled impulse response channel estimation
10/23/2008WO2008126047A1 Trellis coded modulation with unequal error protection
10/23/2008WO2008125848A1 A receiver
10/23/2008WO2008125793A1 Indicating and detecting the start of signal transmission employing frequency division multiplexing
10/23/2008WO2008125227A1 A transmit power control module and associated method for transmit power configuration
10/23/2008WO2008125020A1 A method, system, base station and terminal for processing the reference symbol
10/23/2008WO2008097372A3 A method and system for securely communicating information using multiple rf carriers
10/23/2008WO2008096322A9 Method of synchronizing multi-carrier systems and multi-carrier system
10/23/2008WO2008025040A3 Cdma wireless communication systems
10/23/2008WO2008021392A3 Method and apparatus for reducing a peak-to-average power ratio in a multiple-input multiple-output system
10/23/2008US20080263426 Method and apparatus for performing trellis coded modulation of signals for transmission on a TDMA channel of a cable network
10/23/2008US20080260165 Digital modulator and digital modulating method
10/23/2008US20080260076 Carrier frequency offset estimation method and system
10/23/2008US20080260075 Systems and methods for low-complexity max-log mimo detection
10/23/2008US20080260074 Symbol Analyzing Device, Symbol Analyzing Method, and Information Storage Medium
10/23/2008US20080260073 Ecoding and decoding methods and apparatus for use in a wireless communication system
10/23/2008US20080260072 Apparatus for receiving and recovering frequency shift keyed symbols
10/23/2008US20080260070 Method for Transmitting a Digital Signal, Method for Receiving a Digital Signal, Transmitter and Receiver
10/23/2008US20080260069 Apparatus and method for digital wireless communication
10/23/2008US20080260068 Method and System of Diversity Transmission of Data
10/23/2008US20080260067 Bit Reliability Equalization by Modulation Switching for Harq
10/23/2008US20080260063 Sequence generating method
10/23/2008US20080260060 Method of controlling signal transmission in multi-input/multi-output system
10/23/2008US20080260059 Method and apparatus for efficient precoding information validation for mimo communications
10/23/2008US20080260057 Method and apparatus for generating training sequence codes in a communication system
10/23/2008US20080260056 Methods for Selecting a Coarse Frequency Offset Estimation for an Orthogonal Frequency Division Multiplexing Modulated Signal
10/23/2008US20080260055 Apparatus for Creating, Demodulating, Transmitting and Receiving Othorgonal Frequency Division Multiplexing Symbol
10/23/2008US20080260054 Method and apparatus for reducing a peak-to-average power ratio in a multiple-input multiple-output system
10/23/2008US20080260053 Apparatus and method for transmitting and receiving data using space-time block coding
10/23/2008US20080260052 Ofdm Reception Apparatus and Ofdm Reception Method
10/23/2008US20080260051 Method and apparatus for transmitting information simultaneously to multiple destinations over shared wireless resources
10/23/2008US20080260044 Fft-based multichannel video receiver
10/23/2008US20080260016 Fully Adaptive Equalization for High Loss Communications Channels
10/23/2008US20080260014 Apparatus for and Method of Controlling a Feedforward Filter of an Equalizer
10/23/2008US20080260006 Improved frequency offset estimator
10/23/2008US20080260004 Systems and methods for dual-carrier modulation encoding and decoding
10/23/2008US20080259955 Memory-Efficient ADSL Transmission in the Presence of TCM-ISDN Interferers
10/23/2008US20080259903 Error control method, medium access control (MAC) frame designing method, and terminal registration method in wireless communication system, and recording medium
10/23/2008US20080259825 Method and apparatus for performing jrnso in fdd, tdd and mimo communications
10/23/2008US20080258944 Digital data modulator-demodulator
10/23/2008US20080258832 Digital phase modulator and corresponding method
10/23/2008DE112006003011T5 Verfahren für drahtlose Kommunikation mit stabiler Modulation-Demodulation und Gerät und Rücksicht-Vorrichtung für ein Fahrzeug A method for wireless communication with stable modulation and demodulation unit and rear-view device for a vehicle
10/22/2008EP1983711A2 Digital phase modulator and corresponding method
10/22/2008EP1983710A1 Carrier reproducing device, and demodulating device
10/22/2008EP1983678A2 Method of transmitting and receiving a signal and apparatus for transmitting and receiving a signal
10/22/2008EP1983677A2 Method and apparatus for transmitting and receiving an encoded signal
10/22/2008EP1983674A1 Ofdm demodulation device and method